re PR middle-end/9997 (Coelesce stack slots for disjoint scopes.)

        PR middle-end/9997
        * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
        (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
	(struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
        stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
        frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
        resize_stack_vars_conflict, add_stack_var_conflict,
        stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
        union_stack_vars, partition_stack_vars, dump_stack_var_partition,
        expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
        expand_one_static_var, expand_one_hard_reg_var,
        expand_one_register_var, expand_one_error_var, defer_stack_allocation,
        expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
        (expand_used_vars): Rewrite.
        * Makefile.in (cfgexpand.o): Update dependencies.

From-SVN: r87064

gcc/ChangeLog

+2004-09-03  Richard Henderson  <rth@redhat.com>
+
+        PR middle-end/9997
+        * cfgexpand.c (LOCAL_ALIGNMENT): Provide default.
+        (STACK_ALIGNMENT_NEEDED, FRAME_GROWS_DOWNWARD): Likewise.
+        (struct stack_var, EOC, stack_vars, stack_vars_alloc, stack_vars_num,
+        stack_vars_sorted, stack_vars_conflict, stack_vars_conflict_alloc,
+        frame_phase, get_decl_align_unit, add_stack_var, triangular_index,
+        resize_stack_vars_conflict, add_stack_var_conflict,
+        stack_var_conflict_p, add_alias_set_conflicts, stack_var_size_cmp,
+        union_stack_vars, partition_stack_vars, dump_stack_var_partition,
+        expand_one_stack_var_at, expand_stack_vars, expand_one_stack_var,
+	expand_one_static_var, expand_one_hard_reg_var,
+	expand_one_register_var, expand_one_error_var, defer_stack_allocation,
+	expand_one_var, expand_used_vars_for_block, clear_tree_used): New.
+        (expand_used_vars): Rewrite.
+	* Makefile.in (cfgexpand.o): Update dependencies.
+
 2004-09-04  Jan Hubicka  <jh@suse.cz>
 
 	* cfg.c (free_edge): Use ggc_free.

gcc/Makefile.in

@@ -1984,8 +1984,9 @@ cfg.o : cfg.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) $(FLAGS_H) in
 cfghooks.o: cfghooks.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) $(TREE_H) \
    $(BASIC_BLOCK_H) $(CFGLAYOUT_H) $(TREE_FLOW_H) $(TIMEVAR_H) toplev.h
 cfgexpand.o : cfgexpand.c $(TREE_FLOW_H) $(CONFIG_H) $(SYSTEM_H) \
-   $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) function.h $(TIMEVAR_H) $(TM_H) coretypes.h \
-   $(TREE_DUMP_H) except.h langhooks.h cfgloop.h gt-tree-cfg.h tree-pass.h $(RTL_H)
+   $(RTL_H) $(TREE_H) $(TM_P_H) $(EXPR_H) function.h $(TIMEVAR_H) $(TM_H) \
+   coretypes.h $(TREE_DUMP_H) except.h langhooks.h cfgloop.h tree-pass.h \
+   $(RTL_H) $(DIAGNOSTIC_H) toplev.h gt-tree-cfg.h
 cfgrtl.o : cfgrtl.c $(CONFIG_H) $(SYSTEM_H) coretypes.h $(TM_H) $(RTL_H) $(FLAGS_H) \
    insn-config.h $(BASIC_BLOCK_H) $(REGS_H) hard-reg-set.h output.h toplev.h $(RECOG_H) \
    function.h except.h $(GGC_H) $(TM_P_H) insn-config.h $(EXPR_H)